Electrochemical Radical Retro-Allylation of Homoallylic Alcohols with Sulfonyl Hydrazides.

J Org Chem

Key Laboratory of Chemical Biology, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China.

Published: March 2024

AI Article Synopsis

  • The study introduces a new electrochemical method for retro-allylation of homoallylic alcohols by breaking C(sp)-C(sp) bonds.
  • This reaction utilizes sulfonyl hydrazides as radical sources, yielding sulfonyl allylic compounds while producing nitrogen and hydrogen as harmless byproducts.
  • Key advantages include the lack of metal and base requirements, acceptance of a variety of functional groups, and versatility with different substrates.

Article Abstract

We report herein the first examples of electrochemical radical retro-allylation of homoallylic alcohols via the cleavage of the C(sp)-C(sp) bond. In this reaction, a variety of sulfonyl hydrazides were employed as the environmentally friendly radical sources via an electrochemical dehydrazination with the release of N and H as the byproducts, leading to sulfonyl allylic compounds in moderate to good yields. The reaction features metal- and base-free reaction conditions, broad functional group tolerance, and a broad substrate scope.

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Source
http://dx.doi.org/10.1021/acs.joc.3c02439DOI Listing

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